﻿using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Navigation;
using Coding4Fun.Phone.Controls.Data;
using DepSoft.Mobile.WP7.FollwIt.Framework;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Shell;
using Microsoft.Phone.Tasks;
using Microsoft.Xna.Framework.GamerServices;
using System.Reflection;
using com.mtiks.winmobile;

namespace DepSoft.Mobile.WP7.FollwIt
{
    public partial class App : Application
    {

        // Easy access to the root frame
        public PhoneApplicationFrame RootFrame { get; private set; }

        // Constructor
        public App()
        {
            // Global handler for uncaught exceptions. 
            UnhandledException += Application_UnhandledException;

            // Standard Silverlight initialization
            InitializeComponent();

            // Phone-specific initialization
            InitializePhoneApplication();

            ThemeManager.ToLightTheme();

            // Show graphics profiling information while debugging.
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // Display the current frame rate counters.
                Application.Current.Host.Settings.EnableFrameRateCounter = false;

                // Display the metro grid helper.
                MetroGridHelper.IsVisible = false;

                //MemoryDiagnosticsHelper.Start(TimeSpan.FromMilliseconds(500), true);

                // Show the areas of the app that are being redrawn in each frame.
                //Application.Current.Host.Settings.EnableRedrawRegions = true;

                // Enable non-production analysis visualization mode, 
                // which shows areas of a page that are handed off to GPU with a colored overlay.
                //Application.Current.Host.Settings.EnableCacheVisualization = true;

                // Disable the application idle detection by setting the UserIdleDetectionMode property of the
                // application's PhoneApplicationService object to Disabled.
                // Caution:- Use this under debug mode only. Application that disable user idle detection will continue to run
                // and consume battery power when the user is not using the phone.
                PhoneApplicationService.Current.UserIdleDetectionMode = IdleDetectionMode.Disabled;
            }

        }

        // Code to execute when the application is launching (eg, from Start)
        // This code will not execute when the application is reactivated
        private void Application_Launching(object sender, LaunchingEventArgs e)
        {
            this.StartStracing();
        }

        // Code to execute when the application is activated (brought to foreground)
        // This code will not execute when the application is first launched
        private void Application_Activated(object sender, ActivatedEventArgs e)
        {
            this.StartStracing();
        }

        // Code to execute when the application is deactivated (sent to background)
        // This code will not execute when the application is closing
        private void Application_Deactivated(object sender, DeactivatedEventArgs e)
        {
            this.StopStracing();
        }

        // Code to execute when the application is closing (eg, user hit Back)
        // This code will not execute when the application is deactivated
        private void Application_Closing(object sender, ClosingEventArgs e)
        {            
            //ViewModelLocator.Cleanup();
            this.StopStracing();
        }

        // Code to execute if a navigation fails
        private void RootFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // A navigation has failed; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        // Code to execute on Unhandled Exceptions
        private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // An unhandled exception has occurred; break into the debugger
                System.Diagnostics.Debugger.Break();
            }

            string reason = string.Empty;
            if (e.ExceptionObject is FollwitException && (e.ExceptionObject.InnerException is MovieLoadException || e.ExceptionObject.InnerException is TVShowLoadException || e.ExceptionObject.InnerException is MovieSummaryException))
                reason = e.ExceptionObject.InnerException.Message;

            StringBuilder message = new StringBuilder("Some unexpected error ocurred!" + Environment.NewLine);
            message.Append(string.IsNullOrEmpty(reason) ? string.Empty : reason + Environment.NewLine);
            message.Append("Do you want to email the exception log?");

            //If there is already an error displayed, eat any new errors!
            if (!Guide.IsVisible)
            {
                Guide.BeginShowMessageBox("Exception occured",
                    message.ToString(),
                    new List<string> { "yes", "no" },
                    0,
                    MessageBoxIcon.Error,
                    asyncResult =>
                    {
                        int? returnValue = Guide.EndShowMessageBox(asyncResult);
                        if (returnValue == 0)
                        {
                            EmailComposeTask email = new EmailComposeTask();
                            email.Subject = PhoneHelper.GetAppAttribute("Title") + " - Exception occured";
                            email.Body = "* MESSAGE *" + Environment.NewLine + e.ExceptionObject.Message + Environment.NewLine + "* STACKTRACE *" + Environment.NewLine + e.ExceptionObject.StackTrace;
                            email.To = "contact.depsoft@gmail.com";
                            email.Show();
                        }
                    },
                    null);
            }

            e.Handled = true;
        }

        private void StartStracing()
        {
#if DEBUG
#else
                mtiks.Instance.Start("92c874bd3f8ed3e44931c90b3", Assembly.GetExecutingAssembly());
#endif
        }

        private void StopStracing()
        {
#if DEBUG
#else
                mtiks.Instance.Stop();
#endif
        }

        #region Phone application initialization

        // Avoid double-initialization
        private bool phoneApplicationInitialized = false;

        // Do not add any additional code to this method
        private void InitializePhoneApplication()
        {
            if (phoneApplicationInitialized)
                return;

            // Create the frame but don't set it as RootVisual yet; this allows the splash
            // screen to remain active until the application is ready to render.
            //RootFrame = new PhoneApplicationFrame();
            RootFrame = new TransitionFrame();
            RootFrame.Navigated += CompleteInitializePhoneApplication;

            // Handle navigation failures
            RootFrame.NavigationFailed += RootFrame_NavigationFailed;

            // Ensure we don't initialize again
            phoneApplicationInitialized = true;
        }

        // Do not add any additional code to this method
        private void CompleteInitializePhoneApplication(object sender, NavigationEventArgs e)
        {
            // Set the root visual to allow the application to render
            if (RootVisual != RootFrame)
                RootVisual = RootFrame;

            // Remove this handler since it is no longer needed
            RootFrame.Navigated -= CompleteInitializePhoneApplication;
        }

        #endregion
    }
}
